Find the adjoint of the given matrix and verify in ach case that `A.(adj A)=(adj A).A=|A|.I.` If `A=[(-1,-2,-2),(2,1,-2),(2,-2,1

Find the adjoint of the given matrix and verify in ach case that `A.(adj A)=(adj A).A=|A|.I.`
If `A=[(-1,-2,-2),(2,1,-2),(2,-2,1)]` .
A. A
B. `A^(T)`
C. 3A
D. `3A^(T)`

Find the adjoint of the given matrix and verify in ach case that `A.(adj A)=(adj A).A=|A|.I.` If `A=[(-1,-2,-2),(2,1,-2),(2,-2,1)]` .

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